<template>
    <div>
        <div class="crumbs">
            <el-breadcrumb separator="/">
                <el-breadcrumb-item>
                    <i class="el-icon-lx-notice"></i> 全部公告
                </el-breadcrumb-item>
            </el-breadcrumb>
        </div>
        <div class="container">
            <div class="handle-box">
                <el-button
                    type="primary"
                    icon="el-icon-delete"
                    class="handle-del mr10"
                    @click="delAllSelection"
                >批量删除</el-button>
                <!-- <el-select v-model="query.address" placeholder="类型" class="handle-select mr10">
                    <el-option key="1" label="比赛类" value="比赛类"></el-option>
                    <el-option key="2" label="科技类" value="科技类"></el-option>
                    <el-option key="3" label="文体类" value="文体类"></el-option>
                    <el-option key="4" label="其他类" value="其他类"></el-option>
                </el-select>
                <el-input v-model="query.name" placeholder="根据标题查询" class="handle-input mr10"></el-input>
                <el-button type="primary" icon="el-icon-search" @click="handleSearch">搜索</el-button> -->
            </div>
            <el-table
                :data="tableData"
                border
                class="table"
                ref="multipleTable"
                header-cell-class-name="table-header"
                @selection-change="handleSelectionChange"
            >
                <el-table-column type="selection" width="55" align="center"></el-table-column>
                <el-table-column prop="id" label="ID" width="55" align="center"></el-table-column>
                <el-table-column prop="notice_title" label="标题"></el-table-column>
                <el-table-column prop="_name" label="发布人" width="180"></el-table-column>
                <el-table-column prop="serial_number" label="公告编号" width="180"></el-table-column>
                <el-table-column prop="Release_date" label="发布时间" width="180"></el-table-column>
                <el-table-column label="操作" width="180" align="center">
                    <template slot-scope="scope">
                        <!-- <el-button
                            type="text"
                            icon="el-icon-edit"
                            @click="handleEdit(scope.$index, scope.row)"
                        >编辑</el-button> -->
                        <el-button
                            type="text"
                            icon="el-icon-delete"
                            class="red"
                            @click="handleDelete(scope.$index, scope.row)"
                        >删除</el-button>
                    </template>
                </el-table-column>
            </el-table>
            <div class="pagination">
                <el-pagination
                    background
                    layout="total, prev, pager, next"
                    :current-page="query.pageIndex"
                    :page-size="query.pageSize"
                    :total="pageTotal"
                    @current-change="handlePageChange"
                ></el-pagination>
            </div>
        </div>

        <!-- 编辑弹出框 -->
        <!-- <el-dialog title="编辑" :visible.sync="editVisible" width="30%">
            <el-form ref="form" :model="form" label-width="70px">
                <el-form-item label="用户名">
                    <el-input v-model="form.name"></el-input>
                </el-form-item>
                <el-form-item label="地址">
                    <el-input v-model="form.address"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveEdit">确 定</el-button>
            </span>
        </el-dialog> -->
    </div>
</template>

<script>
export default {
    name: 'basetable',
    data() {
        return {
            query: {
                address: '',
                name: '',
                pageIndex: 1,
                pageSize: 12
            },
            tableData: [],
            multipleSelection: [],
            delList: [],
            editVisible: false,
            pageTotal: 0,   //全部数据
            form: {},
            idx: -1,
            id: -1,
            noticeList:[],
            // datalist:[]
        };
    },
    created() {
        this.getData();
    },
    methods: {
        // 获取 easy-mock 的模拟数据
        getData() {
            // fetchData(this.query).then(res => {
            //     console.log(res);
            //     this.tableData = res.list;
            //     this.pageTotal = res.pageTotal || 50;
            // });
            this.$http.get('http://118.31.124.52:3000/api/notice/allData').then((result) => {
            // console.log(result)                 
            // console.log(result.data.res.length) //总条数
                this.pageTotal = result.data.res.length
                this.noticeList = result.data.res //内容处理
                this.tableData = this.noticeList.slice(0,this.query.pageSize)   //后期裁剪，制作前端分页
            })
        },
        // 触发搜索按钮
        handleSearch() {
            this.$set(this.query, 'pageIndex', 1);
            this.getData();
        },
        // 删除操作
        handleDelete(index, row) {
            // 二次确认删除
            this.$confirm('确定要删除吗？', '提示', {
                type: 'warning'
            }).then(() => {
                // delete_notice
                this.$http.post('http://118.31.124.52:3000/api/notice/delect',{id:row.id}).then(() => {
                    // console.log(result) 
                    this.$message.success('删除成功');
                    this.tableData.splice(index, 1);
                    // console.log(row)                
                })
            }).catch(() => {});
        },
        // 多选操作
        handleSelectionChange(val) {
            for(let i = 0; i < val.length; i ++){
               this.multipleSelection[i] = val[i].id 
            }
            // console.log(val)
            // this.multipleSelection = val;
            console.log(this.multipleSelection)
        },
        delAllSelection() {
            if(this.multipleSelection.length == 0){
                this.$message.warning(`请选择数据后操作！`);
            }else{
                this.$confirm('确定要删除选中数据吗？', '提示', {
                type: 'warning'
            }).then(() => {
                const length = this.multipleSelection.length;
                this.$message.error(`已删除选中数据`);
                this.multipleSelection = [];
            }).catch(() => {});
            }
            
        },
        // 分页导航
        handlePageChange(val) {
            // console.log(val);
            let start = 0
            let end 
            this.query.pageIndex
            if(val > this.query.pageIndex){
                start = (val-this.query.pageIndex) * this.query.pageSize;
                end = start + this.query.pageSize
            }else{
                end = this.query.pageIndex*this.query.pageSize - (this.query.pageIndex - val)*this.query.pageSize
                start = end - this.query.pageSize;
            }
            this.query.pageIndex = val;
                // this.pageRow
            this.tableData = this.noticeList.slice(start,end)
        }
    }
};
</script>

<style scoped>
.handle-box {
    margin-bottom: 20px;
}

.handle-select {
    width: 120px;
}

.handle-input {
    width: 300px;
    display: inline-block;
}
.table {
    width: 100%;
    font-size: 14px;
}
.red {
    color: #ff0000;
}
.mr10 {
    margin-right: 10px;
}
.table-td-thumb {
    display: block;
    margin: auto;
    width: 40px;
    height: 40px;
}
</style>
